Fuji VFD Frequency Converter FRN90F1E-2C911

08/14/2020

Specification for selection and installation of refrigeration piping parts for chillers

The accessories of the refrigeration pipeline of the chiller mainly include various valves and connectors. Depending on the refrigeration system, the chiller's request for piping accessories is also different.

08/17/2020

Causes and solutions for high-pressure alarms of refrigerators

Generally, the refrigerator is equipped with a full set of protection devices. When the refrigerator has a high-pressure alarm, it will automatically start the protection device, and the corresponding fault indicator will light up

07/01/2020

Share the characteristics of ZR series Copeland compressors

Share the characteristics of ZR series Copeland compressors There are many types of compressors, and this is what everyone knows. One of them is the Copeland compressor. Due to the advancement of technology, the Copeland compressor has begun to have various series and styles. The function of each series and style is different. Copeland Compressor

09/05/2022

Types of Stepper Motors: Three Methods to Classify

Stepper motor uses electronic circuits to convert direct current into a multi-phase sequence-controlled current, and to supply power to coils at different times.

08/19/2020

Tips for quick air conditioning

1: The press does not start, there is no problem with the temperature setting, but there is no response after power on<br></br> 　　 The compressor does not turn, the fan turns, you must first look at the capacitor

09/02/2020

Basic theoretical knowledge points of air compressor air

1. What is the definition of the standard state of air? Answer: The definition of the standard state is: when the air suction pressure is 0.1MPa and the temperature is 15.6℃ (the domestic industry defines it as 0℃), the air state is called the standard state of air.

07/23/2020

Judgment and repair method of refrigeration compressor jam

First use the AC current gear of the multimeter, clamp the N-terminal lead of the outdoor unit with the clamp head, measure the outdoor unit current, when the compressor is powered on, the measured current is about 65A, which is much larger than the starting current, indicating that the compressor may be stuck Can not start.<br></br>

01/03/2025

Rosemount Transmitter Series 1151, 2088, 2051, 3051CA, 3051S and the Differences

Rosemount pressure transmitter is a kind of general pressure transmitter. It is manufactured according to the law of electromagnetic induction and JB/T9248-1999 standard.

10/04/2023

Refrigerated Air Dryer: Everything You Need to Know

If you work in an industry that requires compressed air, you know that moisture is a common problem. When compressed air is cooled, it can condense, leading to water droplets that can damage equipment, cause corrosion, and affect the quality of the final product. That's where refrigerated air dryers come in.

06/29/2020

What is the cause of compressor pipeline vibration